Sunrise Powerlink Project C. ALTERNATIVES

New 500 kV Line Extends 85 Miles Northwest SCE's Devers Substation to New Hesperia 500/287 kV Substation )"") Potential New Devers II Substation Serrano Substation Potential New Substation Between Talega and Valley Substations )" V-R Devers-Pala-Alt1 ") Potential New Indian Hills Barre Substation 500/230 kV Substation ") " V-R Serrano-Talega ) ") SCE's Valley Substation Ellis Substation ") SDG&E 500 kV Full )" Northern Service Territory Loop Alternative Coachella Valley Substation Y Upgrades Alternative T Y N T U N O U C O E C V-R Devers- G E §¨¦15 V-R Devers- N ID Ramona-Alt1 A S Laguna Beach R R Pala-Alt2 O E IV R V-R Devers- Serrano/Valley- Ramona-Alt2 Central 500 kV ") V-R Devers-Miguel Dana Point OP79 San Clemente Avenue 58 via Imperial )" V-R Devers- Substation Pala-Alt3 RIVERSIDE COUNTY RIVERSIDE COUNTY )"

Rainbow Y IMPERIAL COUNTY

Talega Substation SAN DIEGO COUNTY Y

Rainbow Substation T

T

N

N U

Valley-Central U )" Fallbrook O 86 O 111

SONGS Substation C OP

500 kV Alternative C

")13 SDG&E 500 kV Full OP

O

L G

Loop Alternative A

I

E I

Imperial Valley-Rainbow OP79 Warners Substation R

D

E

76 P Salton

500 kV Alternative OP ")22 N Midway Substation M A S a l t o n S e a I City

Oceanside S Warner Springs Borrego Springs ! Bonsall ")6 Camp Pendleton Valley Center )" Central Anza-Borrego Imperial Valley South )" Hidden Meadows ") ") 76 ") ") ") OP ") 90 Link Link Link ") ") ") ")") Vista East of Escondido 95 ") )" ") ")22 ") ") 86 500 kV Alternative ") ) OP 100 ") Narrows Substation 78 East of Escondido ") San Luis Rey Substation OP 2 85 ") ") ") Substation ") ") 3 79 ") 80 ") ") ") OP ") ") ") ") 75 ")70") ") ") ") 65 Carlsbad Escondido ") ") ") ") ") ") ") ") ") 78 San Marcos 105 ") ) ") ") OP ") ") ") ") ") ") ") ") ") 5 ") ") 60 ") ") §¨¦ " ") 45 40 ") 78 ) ") ") Proposed Central East Substation ") OP )"") ")") Chicarita Substation ") 78 ") ") OP ") 55 ") Inland Valley ") 15 ") ") ") ") ") ") §¨¦ ") 110 50 ") Potential New IID ") Julian 35 Encinitas Link ") Bannister Substation 115 ") SDG&E Imperial ") ") ") Rancho Santa Fe Ramona ") Santa Ysabel Valley-Central 230 kV ") Westmorland ") 30 ") ") ") San Diego Substation ("Four 230 kV Circuits:") Solana Fairbanks ") ") ") ") ") ") Country 78 P A C I F I C Beach Ranch 120 Alternative ") OP ") Estates ") Poway ") O C E A N Del Coastal 125 ") ") Mar ") ") 67 ") ") Potential New 500/230 kV ") ") )" OP Highline Substation ") ") ") ") ") ") Imperial Valley-Ramona Link") ") 140 ") IID San Felipe Substation 25 ") 130 ") 149.9 ") ") 500 kV Alternative Penasquitos 145 ") 135 ") ") ") ") ") ") " ") ") Substation ) )" Substation ") ") ") ") ") ") Sycamore Canyon ") ") ") Substation ") 15 20 Imperial Valley-Ramona ")1 ") Santee ") ") Potential New IID 230 kV 500 kV Alternative ") San Diego ") §¨¦5 ") Lakeside Imperial Valley Substation ") Pine 5 ") Elliot Substation ") §¨¦8 OP79 Valley 2 10 ") ") )"")") Bostonia Harbison Alpine El Crest ") 8.18 Canyon Plaster City El Cajon ") Centro ") §¨¦805 La Mesa Dehesa ")80 ") Seeley Ocotillo ") 125 5 El Centro Substation §¨¦8 §¨¦15 O Cottonwood ") LemonP ") Spring ") ") 209 Grove Rancho Existing Southwest Powerlink 500 kV ") PO Valley Jamul ") OP94 San Diego Transmission Line and Southwest ") Coronado La Presa Miguel Substation 0 Powerlink No. 2 Alternatives USA National Imperial Valley Substation OP75 Bonita )" Mexico Light and SDG&E N City OP94 OP98 MEXICO SDG&E 230 kV ")1 OP94 230 kV CFE Alternatives CFE Alternative 5 805 §¨¦ §¨¦ Termoelectrica de Mexicali Power Plant )" Chula Vista South Bay Substation Rosarita Substation ") ") Æ Imperial From Tijuana ") La Rosarita Power Complex Beach To Tijuana

Proposed Project 500 kV Municipality/Unincorporated Town SCE's Barre-Ellis 230 kV Line Jurisdictional Land Ownership Proposed Project 230 kV Major Water Body Mexico Light 230 kV Alternative Department of Defense Land Sunrise Powerlink Project Sycamore Canyon - Elliot Substation Reconductor V-R Devers-Ramona-Alt1 System Alternatives National Park Service Land Existing 500 kV Transmission Line SDG&E 500 kV Full Loop Alternative V-R Devers-Ramona-Alt2 State Park Major Road/Interstate Valley-Central 500 kV Alternative Valley-Rainbow 500 kV Alternative Environmental Planning Inc. Imperial Valley-Ramona 500 kV Alternative Road V-R Devers-Pala-Alt2 U.S. Forest Service Land Figure C-15 0 5 10 ") East of Escondido 500 kV Alternative 500 kV / 230 kV Substation V-R Devers-Pala-Alt3 Tribal Land Miles ") V-R Serrano-Talega 230 kV Substation V-R Coachella-Ramona-Miguel ") V-R Devers-Miguel via Imperial Federal Wilderness Area System Alternatives Eliminated 0 32,500 65,000 500 kV / 230 kV / Other Substation SDG&E 230 kV CFE Alternative Alternative / V-R Devers-Miguel via ") Feet 138 kV / 115 kV / 69 kV Substation Green Path Coordinated Projects Alternative Northern San Diego County Alternative Santa Rosa San Jacinto National Monument January 2008 Draft EIR/EIS